Single Roller Cone Bits


TCI tooth roller cone,steel tooth roller cone,replaceable roller cone/HDD roller cone/Hole opener roller cone/pilling roller cones

1.Cutting Structure
Reinforcing the comprehensive mechanical properties of cutting tooth by using high quality tungsten carbide inserts of new formula and new techniques of insert bit.

2.Gauge Structure
The multiple heel position with gauge trimmer on the heel, tungsten carbide and hard facing on the shirttail, strengthened spear point will enhance the gauge protection.

3.Bearing Structure
High precision journal bearing with two thrust faces. Ball locked cone. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved, and suitable for high rotary speed.


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